<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
.header {
    width: 1200px;
    height: 80px;
     margin: 0;
   background: hsl(236, 90%, 48%);
   text-align
} 
</style>
<body>
<div class="header">
    <div class="head">


    </div>
</div>
</body>
</html>